This method had indeed lessened the burden of controlling the living puppets and served as another layer of insurance at critical moments. Never again did the tragic situation of living puppets turning on their masters arise.
As for why the Ink Bone Origin Spirit sensed something was wrong, it was because its reactions were swift, and it had seen something different within it. It understood that there were many kinds of these medicines. Though each had a different use, the ones you had encountered required special manufacture.
Special manufacture meant that the place producing these things most likely lay within this Tianjie Land you had entered.
Given that, to avoid unnecessary risks, Epidemic Area Camps would not be located within cities, there was only one such place in the entire Tianjie Land. Therefore, these things could only have been produced in the camp you would need to conquer next...
"Medicine," "traps," "Poisonous Gas"... and many other subordinate branches of the Biological Puppet Category. Other more obscure things might have slipped Ink Bone's memory, but these three were famous enough that it could not possibly fail to recognize them. Thus, when the Ink Bone Origin Spirit detected the relevant medicinal properties from the white circle scattered across the ground, it realized that the camp you would enter later was not a lowest-grade epidemic area.
This meant that if you wished to conquer that place, the living puppets you encountered would be far stronger than expected. They would all be "medicated living puppets"... In truth, after you shattered the two Headless Living Puppets, the Ink Bone Origin Spirit had already sensed as much. However, the quality of those two had not been low to begin with, so it was not particularly strange for them to have used rare medicines.
Now, though, they